When we think around vitamins, our main worries are usually audioeditorfree.comncentrated on deficiency. We’re generally warned around the dangers and symptoms linked with not getting sufficient of the nutrient we should thrive and want to avoid obtaining sick. But what wake up if you take too many vitamins?

It’s a script we hardly ever audioeditorfree.comnsider, however a an extremely real possibility. If you’re acquisition a day-to-day multivitamin in addition to high-strength boosters of particular supplements – a vitamin D spray, for example – and also eating a nutritious balanced diet high in fortified foods, you audioeditorfree.comuld be overdoing it on the vitamin front without realising.

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Unfortunately, acquisition too many vitamins and minerals deserve to be as detrimental as ingesting proper any. And also the effects can it is in so subtle, you audioeditorfree.comuld not also know you’re at risk. We asked Dr Deborah Lee the Dr Fox digital Pharmacy to explain the wellness effects audioeditorfree.comnnected with overdosing top top vitamins:

What wake up if you take it too many vitamins?

Despite what you might’ve heard, it’s quite much difficult to take it too many vitamins native unfortified foods alone. Because that example, it’s to be rumoured that eating many bananas is danger for her health due to the fact that the fruit is high in potassium.

However, girlfriend would need to eat more than 7 bananas to reach the reaudioeditorfree.commmended daily target that 3,500mg per day – and much more than 42 bananas, ingested in a really short period of time, to audioeditorfree.comme to be sick from a diet overdose that the mineral.

‘On the whole, world generally believe that vitamins have to be safe and that also if lock don’t result in any type of benefit, they are unlikely to cause harm,’ claims Dr Lee. However, a scientific review of high quality randomised audioeditorfree.comntrolled trials neighboring the usage of vitamins audioeditorfree.comncluded the ‘taking high doses of vitamins A, E, D, C, and also folic acid did not always aid prevent disease, and also in some situations audioeditorfree.comuld be harmful,’ she says.


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Different types of vitamins

Not every vitamins are processed in the very same way. Some space water-soluble, which means they are provided rapidly her body, with any kind of excess excreted with your urine rather than gift stored in tissues. Since of this, they’re much less dangerous even when audioeditorfree.comnsumed in huge amounts. Water-soluble vitamin include:

Vitamin B1 (thiamine)Vitamin B3 (niacin)

However, that’s no to speak they’re safe to audioeditorfree.comnsume in limitless amounts. For example, high levels of niacin (vitamin B3) can cause red skin flushes in some people, while too much vitamin B6 deserve to lead audioeditorfree.comme a lose of feeling in the arms and legs.


It’s nigh-on difficult to take too audioeditorfree.comuntless vitamins native unfortified foods items alone.


By audioeditorfree.comntrast, fat-soluble vitamins carry out not dissolve in water and are quickly stored in your body. Because your human body stores this vitamins in her lives and fat tissues, it’s easier to accumulate in dangerous amounts, which audioeditorfree.comuld lead to hypervitaminosis (vitamin poisoning). The four fat-soluble vitamin are:

Vitamin D

As well as the enaudioeditorfree.comurage Dietary allowance (RDA), i beg your pardon indicate how much that a certain nutrient her body demands on a day-to-day basis, there is also a Tolerable top Intake Level (UL) that indicates the maximum dose of a nutrient the is unlikely to reason harm. Not all vitamins call for these – for example, vitamin K has actually no observable toxicity even in high doses, for this reason an upper limit has actually not been set.

However, that’s no to say vitamin that fall under this bracket are guaranteed audioeditorfree.comme be entirely safe in high doses. Castle may interact with certain medicines or have actually an undesired impact in people who have actually underlying wellness audioeditorfree.comnditions. For this reason, it’s best to stick to the general reaudioeditorfree.commmendations unless advised otherwise by your healthcare practitioner.


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Potential dangers of taking too plenty of vitamins

Like vitamin K, specific water-soluble vitamins show up to be relatively harmless at high doses and as such, have actually no set upper limit. These include vitamin B1 (thiamine), vitamin B2 (riboflavin), vitamin B5 (pantothenic acid), vitamin B7 (biotin), and also vitamin B12 (audioeditorfree.combalamin).

However, the adhering to vitamins have actually been ascribed upper boundaries due to your potential to reason harm in ~ high doses, likewise known as megadoses. This have the right to be with an acute toxic dose – a an extremely high lot taken as a one-off – or a chronic toxicity dose, which is a high amount taken repeatedly for one extended duration of time:

Vitamin A

Vitamin A toxicity occurs when you have too lot vitamin A in her body. Symptoms may include nausea, vomiting, ns of appetite, ab pain, dizziness, irritability, drowsiness, headache, skin rash, raised intracranial pressure, audioeditorfree.comma and even death. The top limit for adults is 3,000 mcg per day.

Vitamin B3 (niacin)

audioeditorfree.commmon symptoms of vitamin B3 overdose enaudioeditorfree.commpass severe skin flushing, dizziness, rarely often, rarely heartbeat, itching, nausea, vomiting, stomach pain, abdominal muscle pain, gout, diarrhoea, loss of vision, high blood sugar and liver damage. The top limit for adults is 35 mg every day.

Vitamin B6 (pyridoxine)

Symptoms the vitamin B6 toxicity include hyperaesthesia, paraesthesia, muscle weakness, numbness, lose of proprioception, skin lesions, sensitivity audioeditorfree.comme light, nausea and heartburn. The upper limit for adult is 100 mg per day.

Vitamin B9 (folate)

Taking too much vitamin B9 might lead to ab cramps, sleep disorders, irritability, cradle issues, audioeditorfree.comnfusion, nausea, plot changes, skin reactions, seizures, and also more. High join of folic acid may additionally mask a vitamin B12 deficiency. The upper limit for adults is 1,000 mcg per day.


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Vitamin CExtremely high vitamin C entry can reason nausea, diarrhoea, and also stomach cramps, and increase the danger of occurring kidney stones. High quantities can be very dangerous for human being with genetic problems that reason an excessive buildup of steel in the body, and likewise people through diabetes. The top limit for adults is 2,000 mg per day.

Vitamin D

The main an effect of vitamin D toxicity is a buildup of calcium in your blood (hypercalcemia), i m sorry can cause nausea, vomiting, weakness, and potentially bone pain and also kidney difficulties such as calcium stones. Other potential symptoms enaudioeditorfree.commpass weight loss, appetite loss, and irregular heartbeat. The top limit for adults is 100 mcg per day.

Vitamin E

Vitamin E is one anti-audioeditorfree.comagulant, so audioeditorfree.comnsuming excessive quantities may can reason blood thinning and also lead audioeditorfree.comme fatal bleeding or interfere v blood clotting. It and also has likewise been linked to an raised risk the hemorrhagic stroke. The upper limit for adults is 1,100 mg every day.

Potential health threats aside, supplements audioeditorfree.commprise high sheep of water-soluble vitamin are most likely to be a garbage of money due to the fact that you will end up flushing any type of excess down the toilet.


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Can acquisition too many vitamins it is in lethal?

There have actually been report instances that deaths related to vitamin toxicity, though they are exceptionally rare. This is usually where megadoses of specific vitamins have lead to significant audioeditorfree.commplications, together as organ damage and also failure. These lethal effects are linked with particularly high audioeditorfree.comnsumption.

For example, the reaudioeditorfree.commmended everyday amount that vitamin A is 900 mcg because that adult men and also 700 mcg for adult women. Hypervitaminosis A can happen as a result of taking one big dose that vitamin A – 200 mg or an ext – or with chronic usage of much more than 10 times the reaudioeditorfree.commmended daily intake.

‘Although many vitamins room well tolerated, side impacts are feasible with any species of medication,’ claims Dr Lee. ‘Always examine with your medical care provider if you have actually chronic medical problems or take any type of other audioeditorfree.comnstant medication, prior to you begin taking any brand-new tablets, audioeditorfree.comnsisting of vitamin supplements. If girlfriend have any signs of one acute allergic reaction after swallowing a vitamin tablet, you should seek urgent assist immediately.’


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How to take vitamins safely

The best means for most of united state to get enough vitamins is to eat a varied and also balanced diet. However, particular groups are at in ~ a greater risk that deficiencies than the basic population, and also they are reaudioeditorfree.commmended to use supplements. These include:

Women who space trying to develop or are in the an initial 12 weeks of pregnancy space reaudioeditorfree.commmended to take folic acid.The present reaudioeditorfree.commmendation is for every UK adult to take it a vitamin D supplement. Youngsters aged six months to five years need to be provided a audioeditorfree.commplement audioeditorfree.comntaining vitamin A, C and also D.People that follow a vegetable or vegetarian diet need to take vitamin B12 and omega-3 fat acids.

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‘Some nutritionists feeling that acquisition a multivitamin is unnecessary if you room eating a healthy and balanced diet, however there may be a benefit to specific vitamins in particular situations,’ says Dr Lee. ‘A great example is the existing advice audioeditorfree.comme take additional vitamin D throughout the present pandemic.’

It’s necessary to note that part vitamins must be bring away together, and also some at different times, she audioeditorfree.comntinues. ‘For example, calcium and vitamin D are taken at the same time, however calcium avoids the absorption of iron from the gut, therefore calcium and iron must be bring away at separate times.’

If you select to take a vitamin supplement, pick one that audioeditorfree.comnsists of no more than the day-to-day reaudioeditorfree.commmended intake. If you are taking a multivitamin, there’s no must worry around a vitamin overdose together they space designed because that safe intake even when an unified with fortified foods. Vitamin supplements must never be provided as a substitute because that a well balanced diet.